Hyperkinetic movement disorders Flashcards
Name 5 features of hyperkinetic movement disorders
Dystonia Tics Myoclonus Chorea Tremor
Resting tremor - which disease has this?
Parkinson’s disease (but remember parkinson is a hypo kinetic movement disorder)
Resting tremor is symetrical. True or false?
False
- asymetrical
Postural tremor - when does it arise
When you are carrying out a specific posture (i.e. putting hands out in front of you)
Postural tremor is faster/slower than resting tremor?
Faster
Action tremor - when does it arise?
When moving
Intention tremor - is usually due to dysfunction of ____ ?
Cerebellum
Intention tremor - what is it
Patient gets a tremor as they approach a target
Essential tremor is unilateral/bilateral?
Bilateral
Which part of the body does essential tremor occur?
Hands and forearms
Essential tremor
Bilateral action tremor with ABSENCE of other neurological signs
Essential tremor - worsened by alcohol. True or false?
False
- alcohol makes it better
Essential tremor - management
Propranolol
Primidone
Tics - definition
Involuntary stereotyped movements or vocalisations
What are the 2 classifications of tics?
Primary
Secondary
Primary tics mainly arise in childhood/adulthood?
Childhood
Primary tics - name 3 types
Simple transient tics of childhood
Chronic tics of childhood
Tourettes
What is the diagnostic criteria for tourettes syndrome?
Multiple motor tics and one or more vocal tic must be present
Tics must occur many times a day, nearly every day, or intermittently for more than 1 year with no longer than 3 months interval
Age of onset less than 18
Tourettes syndrome can only be diagnosed in over/under 18 year olds?
Under 18 year olds
Symptomatic treatment for tourettes syndrome?
Clonidine
Tetrabenazine
Myoclonus - definition
Jerky involuntary movements
Quick and simple jerks
Chorea - definition
involuntary movements
Irregular
Purposeless
Unpredictable in timing
Chorea is the hallmark of which inherited disorder?
Huntingtons disease
Dystonia
Uncontrolled and sometimes painful muscle spasms